div.overflow_1{
    width: 300px;
    height: 100px;
    border: 1px solid #ccaabb;
    overflow: hidden;

}

div.overflow_2{
    width: 100px;
    height: 100px;
    border: 1px dashed #abcdef;
    font-size: 250%;
    overflow: auto;
}

.box{
    width: 200px;
    height: 200px;
    border: 1px solid#00ff00;
    margin-top: 10px;
    background-color: #cecece
    
    
}
.pos_static{
    position: static;
    background-color:bisque ;
}
.pox_relative{
    background-color: blueviolet;
    position: relative;
    right: -50px;
    top: 20px;
    z-index: 100;
}
.pos_fixed{
    background-color: royalblue;
    position: fixed;
    top: 0px;
    right: 0px;
}
.pox_absolute{
    background-color: goldenrod;
    position: absolute;
    top: 100px;
    left: 200px;
}

.menu:hover +.absolute_menu{
    display: block;
}


.absolute_menu{
    background-color: hotpink;
    position: absolute;
    top: 56px;
    left: 0px;

}
.pox_stick{
    position: sticky;
    position: -webkit-sticky;
    background-color: #667788;
    bottom: 30px;

margin-left: 400px;}

.box_float{
    float: left;
    background-color: red;
    margin-left: 20px;
}

.clf{
    clear: both;
}

li{
    float: left;
    width: 100px;
    border: 1px solid black;
}